Refrigerator



FIG. 1 is a front perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures depict portions of the refrigerator which form no part of the claimed design.

The gray tones shown in the figures indicate that the gray portions are the same contrasting color, and do not represent any particular color. 

CLAIM We claim the ornamental design for a refrigerator, as shown and described. 